Finding slope from two points

Front

What is the formula to find the slope (m) between two points (x1, y1) and (x2, y2)?

Back

m = (y2 - y1) / (x2 - x1)

Front

What does a slope of 0 indicate about a line?

Back

The line is horizontal.

Front

What does an undefined slope indicate about a line?

Back

The line is vertical.

Front

Calculate the slope of the line through the points (10,12) and (15,12).

Back

0

Front

Calculate the slope of the line through the points (0,5) and (7,6).

Back

1/7

Front

Calculate the slope of the line through the points (5,2) and (6,3).

Back

1

Front

Calculate the slope of the line through the points (-5,12) and (16,54).

Back

2

Front

Calculate the slope of the line through the points (-1,-5) and (3,3).

Back

2

Front

What is the slope of a line that rises 3 units for every 2 units it runs?

Back

3/2

Front

If a line has a slope of -2, what does this indicate about its direction?

Back

The line descends from left to right.